Apple residue comprehensive utilizing and treating method

A processing method and technology for apple pomace, applied in the field of comprehensive treatment of agricultural and forestry wastes, can solve the problems of polluting the surrounding environment, wasting resources, polluting the environment, etc., achieving the effects of fast gas production, high efficiency, and solving the problem of waste discharge

Inactive Publication Date: 2007-01-10
INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In rainy days, it flows with the water and pollutes the environment. The nearby residents have great opinions. It wastes resources and poll

Method used

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  • Apple residue comprehensive utilizing and treating method
  • Apple residue comprehensive utilizing and treating method

Examples

Experimental program
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Effect test

Embodiment 1

[0021] combine figure 1 The process flow is briefly described as follows:

[0022] 1. Ingredients processing: Pour the remaining fresh apple pomace (water content 65-75%, pH value 3.2-3.5) into the batching pool after squeezing out the apple juice. Mix and stir the wastewater so that the concentration of the mixed slurry reaches 8-10%, and the temperature is ≥50°C. At the same time, add 4-5 kg ​​of quicklime for industrial use per ton of the mixed solution, adjust the pH value of the mixed solution to 6.8-7.5, and measure the mixed solution per ton Carbon-nitrogen ratio (generally apple pomace contains about 40% carbon and 1% nitrogen after drying), then add 14-18 kg of urea, ammonium bicarbonate, etc., adjust the carbon-nitrogen ratio of the mixed liquid to 24-28:1, and place it in the pool 10-12 hours;

[0023] The purpose of adding nitrogen fertilizer in the above steps is to adjust the carbon-to-nitrogen ratio of the apple pomace slurry so that it can produce biogas. Nit...

Embodiment 2

[0033] combine figure 2 The technical process provides another extended technical scheme of the present invention, the batching treatment is the same as in Example 1, the apple pomace slurry liquid after the deacidification of the batching is first subjected to liquid-solid separation, and the liquid enters the biogas tank for anaerobic fermentation for 1-2 days. Biogas is generated, and solid pomace is fermented aerobically for 20-30 days to produce organic fertilizer. The advantage of this process route is that it is based on liquid fermentation to produce gas quickly and has a high turnover rate. If the biogas slurry after gas production cannot be used in time and needs to be discharged, it needs to be aerated. The disadvantage is that the process route is slightly longer than that of Example 1, the aerobic fermentation treatment capacity is large and the time is long, and the overall gas production efficiency is low.

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Abstract

The invention discloses a method for comprehensively utilizing apple pomaces including: a, ingredient process:diluting the pomaces with water to slurry state with the solid percentage below 10%, adding calces to adjust the pH, adding nitrogenous fertilizers to regulate the ratio of carbon and nitrogen, then it is placed in an acid bath for 8-12 hours. B, fermenting methane: anaerobic fermentation for 1-7 days, the generated marsh gas is used for the boiler of apple juice production. C, solid-liquid separation: the liquid is transferred back to step A which will be replenished with water or it will be used directly as fertilizer. D, Adding organic fertilizer and zymocyte of organic fertilizer in the residues, then the organic fertilizer will be achieved through oxygen fermentation for 7-10 days.

Description

technical field [0001] The invention relates to a method for comprehensive utilization and treatment of apple pomace, in particular to the comprehensive utilization and treatment of apple pomace directly off-line by apple juice production enterprises, and belongs to the technical field of comprehensive management of agricultural and forestry waste. Background technique [0002] The annual output of apples in my country is close to 20 million tons, and apple juice processing enterprises discharge 1 million tons of apple pomace every year. In terms of comprehensive utilization of apple pomace, some people have proposed a number of deep processing and utilization methods such as production of feed, extraction of pectin, and extraction of apple polyphenols, as feed Undoubtedly, it is an effective way to use apple pomace in large quantities, but because apple pomace contains pectin and tannin components, it has adverse effects on the digestion of livestock and poultry. Therefore, i...

Claims

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Application Information

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IPC IPC(8): C05F11/00C05F17/00
CPCY02E50/343Y02E50/30Y02W30/40
Inventor 崔建伟
Owner INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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